: Does Google include the time to load images, for a single page, as part of the page speed? we all know that Google's affects your page rank with the load time of a page. How? That's part

we all know that Google's affects your page rank with the load time of a page. How? That's part of the secret sauce. But we know that page speed is a serious factor.

So -> what is considered the speed of a page?

Is it just the first (and main) html file which the GET receives? Or does it also include loading of images as part of that speed.

so for example...

GET /index.htm <- takes 0.45 seconds to retrieve (including DNS lookup before).

robot parses page.. see's there's a single main image....

GET /img/main.png <- takes 5 seconds to download.

is the page speed for that resource, 0.45 seconds OR 5.45 seconds?

I understand Javascript is not fired .. but are any of these external resources all downloaded and part of the page speed?

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@Sarah324

Yes, they do count images. The count how long it takes to download the HTML and all static (JavaScript, CSS) and embedded content (images, flash) on the page.

From here (this isn't specifically about Google algorithm but it matches everything I have found about it so far including Matt Cutts post):

The "Performance overview" graph in
the Labs Site performance page tracks
the total loading time of the page,
from the initial request to the point
the browser finishes its rendering.
This includes the downloading of the
page, the related assets (CSS,
Javascript, images, etc), and the time
the browser needs to execute the
Javascript.

Additional anecdotal evidence would be Google's official announcement about this change in their algorithm they mention Page Speed tools. All of them recommend optimizing images both in size and download speed (usually through uise of a CDN or cookieless domain).

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: Does Google include the time to load images, for a single page, as part of the page speed? we all know that Google's affects your page rank with the load time of a page. How? That's part

More posts by @Welton855

: Best Domain Redirect Approach for Large Network We are launching a new network and want to focus/funnel users to our top sites. We have hundreds of domains, but most of them don't really merit

: Dreamhost script killed I'm using Dreamhost. In one of my scripts I need to gather contents of url (using file_get_contents). There are 9 sites, 8 of them are ok but one is very slow. It

: Lining things up while using columns I have a request that may not be possible. I'd like to line up the elements of a form so that the inputs all start at the same place: Name:

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